One bad day. Fear trumps greed, every time. All of DE's performance of the last few weeks reversed in a single day. GOOG also down, but still comfortably north of $600. COP dug in its heels, allowing a small decline of little significance.
The portfolio has reached a stasis point from which a new inflection, up or down, will be required. The bottom line gave up about 1%, but there's nothing to be overly concerned about. Yet.